<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        {{msg}}
    </div>
    <script src="./vue.js"></script>
    <script>
        const vm = new Vue({
            data:{
                msg:'你好世界'
            }
        });
        vm.$mount('#app')
    </script>
</body>
</html>